Mef - NxtGenUG Coventry

Creating extensible application using MEF
Meerkatalyst
@Ben_HallBen@BenHall.me.ukBlog.BenHall.me.uk

Agenda
MEF ABCs
Extensibility in .Net 2.0
Extensibility with MEF
MEF Internally

Managed Extensibility Framework

http://www.flickr.com/photos/leon_homan/2856628778/

http://www.flickr.com/photos/zen/2273186263/

External and Internal

Sadly some companies don’t see this as important!

Internal is about making your life easier

http://www.flickr.com/photos/mag3737/1914076277/

MS-PL
http://www.flickr.com/photos/25501212@N05/2934269081/

http://www.flickr.com/photos/dunechaser/2918021174/

[Export]
I have something to offer

[Import]
I need something

Catalog
I know about some exports

Container
I know about everything

Hello world
DEMO

MEFUnit
DEMO

FROM 2.0 to MEF
DEMO

Beyond 3rd party addins
DEMO

ASP.net MVC and mef
DEMO

In summary...
http://www.flickr.com/photos/m0php/530526644/

Summary
Extensibility
Allows 3rd parties to hook-in
Allows internals to be decoupled
Override your built in defaults
Part of .Net 4.0 but built on 3.5
Available today from Codeplex

Thank you!
Twitter - @Ben_Hall
Blog.BenHall.me.uk
Ben@BenHall.me.uk

Resources
http://blog.BenHall.me.uk
http://www.codeplex.com/mef
http://blogs.msdn.com/gblock

Mef - NxtGenUG Coventry

by Ben Hall on Oct 19, 2009

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